Analysis of risk factors for postoperative surgical site infection in patients with inguinal hernia

doi:10.3877/cma.j.issn.1674-392X.2024.03.014

Abstract

Abstract:

Objective

To analyze the risk factors of postoperative surgical site infection in patients with inguinal hernia.

Methods

A retrospective analysis was conducted on the clinical data of 196 patients who underwent tension-free hernia repair surgery in Beijing Shijingshan Hospital from March 2021 to March 2022. Patients were divided into the infected group (18 cases) and the uninfected group (178 cases) based on whether they experienced infection after surgery. Multivariate logistic regression analysis was conducted on age, gender, body mass index (BMI), diabetes mellitus, smoking history, hypertension, coronary heart disease, mesh type, hernia sac size and operation time to identify risk factors.

Results

The rate of surgical site infection in 196 patients was 9.2% (18/196). Multivariate Logistic regression analysis showed that age≥65 years (OR=3.028 95% CI 1.607-6.098), BMI≥28 kg/m² (OR=4.464, 95% CI 2.338-9.624), diabetes mellitus (OR=8.498, 95% CI 3.316-28.778), and operation time≥30 minutes (OR=9.296, 95% CI 4.098-30.896) were risk factors for postoperative surgical site infection (P<0.05).

Conclusion

Age≥65 years old, BMI≥28 kg/m², diabetes, operation time≥30 min are risk factors for postoperative surgical site infection.

Key words: Hernia, inguinal, Postoperative infection, Risk factors, Herniorrhaphy

Peng Wang, Hongtao Zhai, Xudong Qin. Analysis of risk factors for postoperative surgical site infection in patients with inguinal hernia[J]. Chinese Journal of Hernia and Abdominal Wall Surgery(Electronic Edition), 2024, 18(03): 307-310.

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References 17

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项目		感染组(18例)	未感染组(178例)	P值
性别				>0.05
	男性	16(88.9)	152(85.4)
	女性	2(11.1)	26(14.6)
年龄				<0.05
	≥65岁	13(72.2)	45(25.3)
	<65岁	5(27.8)	133(74.7)
体重指数				<0.05
	≥28 kg/m²	8(44.4)	80(44.9)
	<28 kg/m²	10(55.6)	98(55.1)
糖尿病				<0.05
	是	9(50.0)	38(21.3)
	否	9(50.0)	140(78.7)
吸烟史				>0.05
	是	5(27.8)	50(28.1)
	否	13(72.2)	128(71.9)
高血压				>0.05
	是	3(16.7)	32(18.0)
	否	15(83.3)	146(82.0)
冠心病				>0.05
	是	3(16.7)	23(12.9)
	否	15(83.3)	155(87.1)
术式				>0.05
	疝环填充式无张力疝修补术	12(66.7)	130(73.0)
	经腹腹膜前疝修补术	6(33.3)	48(27.0)
补片类型				>0.05
	聚丙烯补充	8(44.4)	72(40.4)
	生物补片	4(22.2)	37(20.8)
	复合补片	6(33.3)	69(38.8)
疝囊直径				>0.05
	≥5 cm	4(22.2)	68(38.2)
	<5 cm	14(77.8)	110(61.8)
手术时间				<0.05
	≥30 min	15(83.3)	50(28.1)
	<30 min	3(16.7)	128(71.9)

项目		感染组(18例)	未感染组(178例)	P值
性别				>0.05
	男性	16(88.9)	152(85.4)
	女性	2(11.1)	26(14.6)
年龄				<0.05
	≥65岁	13(72.2)	45(25.3)
	<65岁	5(27.8)	133(74.7)
体重指数				<0.05
	≥28 kg/m²	8(44.4)	80(44.9)
	<28 kg/m²	10(55.6)	98(55.1)
糖尿病				<0.05
	是	9(50.0)	38(21.3)
	否	9(50.0)	140(78.7)
吸烟史				>0.05
	是	5(27.8)	50(28.1)
	否	13(72.2)	128(71.9)
高血压				>0.05
	是	3(16.7)	32(18.0)
	否	15(83.3)	146(82.0)
冠心病				>0.05
	是	3(16.7)	23(12.9)
	否	15(83.3)	155(87.1)
术式				>0.05
	疝环填充式无张力疝修补术	12(66.7)	130(73.0)
	经腹腹膜前疝修补术	6(33.3)	48(27.0)
补片类型				>0.05
	聚丙烯补充	8(44.4)	72(40.4)
	生物补片	4(22.2)	37(20.8)
	复合补片	6(33.3)	69(38.8)
疝囊直径				>0.05
	≥5 cm	4(22.2)	68(38.2)
	<5 cm	14(77.8)	110(61.8)
手术时间				<0.05
	≥30 min	15(83.3)	50(28.1)
	<30 min	3(16.7)	128(71.9)

变量	B值	SE值	Wald χ²值	P值	OR值	95% CI
年龄≥65岁	1.248	0.281	8.894	0.002	3.028	1.607~6.098
体重指数≥28 kg/m²	1.775	0.156	9.743	0.001	4.464	2.338~9.624
糖尿病	1.697	0.226	10.374	0.001	8.498	3.316~28.778
手术时间≥30 min	1.523	0.569	20.652	<0.001	9.296	4.098~30.896

变量	B值	SE值	Wald χ²值	P值	OR值	95% CI
年龄≥65岁	1.248	0.281	8.894	0.002	3.028	1.607~6.098
体重指数≥28 kg/m²	1.775	0.156	9.743	0.001	4.464	2.338~9.624
糖尿病	1.697	0.226	10.374	0.001	8.498	3.316~28.778
手术时间≥30 min	1.523	0.569	20.652	<0.001	9.296	4.098~30.896

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